@techreport{U.S. Department of Health and Human Services2011, author = {U.S. Department of Health and Human Services, National Center for Health Statistics }, title= {Intercensal estimates of the resident population of the United States for July 1, 2000- July 1,2009, by year, single-year of age (01,2,...,85 years and over), bridged race, Hispanic origin, and sex}, year = {2011}, URL = {http://www.cdc.gov/nchs/nvss/bridged_race.htm}, publisher = {Centers for Disease Control and Prevention [On-line]}, }